| Selenologie | selenology |
| Selenologe | selenologist |
| Selenologin | selenologist |
| Speleologie | speleology |
| Teleologie | teleology |
| Senologie | senology |
| Phrenologie | phrenology |
| Feminologie | feminology |
| Ethnologie | ethnology |
| Molinologie | molinology |
| Palynologie | palynology |
| Sinologie | sinology |
| Technologie | technology |
| Hemerologie | hemerology |
| Sexologie | sexology |
| Sexuologie | sexology |
| Gelotologie | gelotology |
| Keltologie | Celtic studies |
| Seismologie | seismology |
| Speläologie | speleology |